The Panasonic LUMIX G85 DMW-BGG1 battery grip offers the same splash and dustproof design consistent with the LUMIX G85 DSLM camera. With this battery grip, battery life can be extended nearly 2X by adding a second LUMIX DMW-BLC12 battery to the system. The grip also offers a second shutter release button, AF/AE lock button, exposure compensation button, and mirrored cameras dual dials.